题目

Services Window Cleaning Available        Professional traditional method only! Cleaning glass for over 10 years! Prices start from ￡3.50 to ￡7.00. Disabled discounts available! No chemicals! We have space available on our round covering all areas of the west Midlands.        Phone: 07775 359361 Smart Home        At Smart Home we provide our customers with a range of home assistant services, including pre move-in and post renovation(翻修)cleaning, pest control, air-conditioning maintenance(维修) and deep cleaning services.        Phone: 08825 378451 HealSeveral days later, most of the buildings ________ were repaired. A. been damaged    B. had been damaged  C. which been damaged   D. which had been damaged